include/hw/s390x/s390-virtio-ccw.h

   1 /*
   2  * virtio ccw machine definitions
   3  *
   4  * Copyright 2012, 2016 IBM Corp.
   5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8  * your option) any later version. See the COPYING file in the top-level
   9  * directory.
  10  */
  11 #ifndef HW_S390X_S390_VIRTIO_CCW_H
  12 #define HW_S390X_S390_VIRTIO_CCW_H
  13
  14 #include "hw/boards.h"
  15 #include "qom/object.h"
  16
  17 #define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
  18
  19 OBJECT_DECLARE_TYPE(S390CcwMachineState, S390CcwMachineClass, S390_CCW_MACHINE)
  20
  21
  22 struct S390CcwMachineState {
  23     /*< private >*/
  24     MachineState parent_obj;
  25
  26     /*< public >*/
  27     bool aes_key_wrap;
  28     bool dea_key_wrap;
  29     bool pv;
  30     uint8_t loadparm[8];
  31 };
  32
  33 #define S390_PTF_REASON_NONE (0x00 << 8)
  34 #define S390_PTF_REASON_DONE (0x01 << 8)
  35 #define S390_PTF_REASON_BUSY (0x02 << 8)
  36 #define S390_TOPO_FC_MASK 0xffUL
  37 void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra);
  38
  39 struct S390CcwMachineClass {
  40     /*< private >*/
  41     MachineClass parent_class;
  42
  43     /*< public >*/
  44     bool ri_allowed;
  45     bool cpu_model_allowed;
  46     bool css_migration_enabled;
  47     bool hpage_1m_allowed;
  48     int max_threads;
  49 };
  50
  51 /* runtime-instrumentation allowed by the machine */
  52 bool ri_allowed(void);
  53 /* cpu model allowed by the machine */
  54 bool cpu_model_allowed(void);
  55 /* 1M huge page mappings allowed by the machine */
  56 bool hpage_1m_allowed(void);
  57
  58 /**
  59  * Returns true if (vmstate based) migration of the channel subsystem
  60  * is enabled, false if it is disabled.
  61  */
  62 bool css_migration_enabled(void);
  63
  64 #endif